Ball pen

Details Ball pen Ball pen

1998-10-02

1999-05-18

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41, D19 56, 1906

Patent

active

D04100310

REFERENCES:
patent: D146215 (1947-01-01), Florman
patent: D153290 (1949-04-01), Jensen
patent: D183917 (1958-11-01), Dreyfuss
patent: D377195 (1997-01-01), Takahashi
patent: D378763 (1997-04-01), Hollington
patent: D395447 (1998-06-01), Izushima
patent: D398643 (1998-09-01), Izushima
patent: 2839030 (1958-06-01), Zang
patent: 2914029 (1959-11-01), Ermel

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